TT 



32. Helicina versicolor Pfr. 



T. depressa, tenuis, laevigata, citrino et viridi varie- 

 gata, prope verticem purpurea; spira parum elevata, ob- 

 solete papillata; anfr. 4 Vi planiusculi, rapide accrescentes, 

 ullimus latus, subdepressus, antice vix descendens; aper- 

 tura diagonalis, subtriangulari-semiovalis; columella bre- 

 vissirna, callum crassum, semicirculareni, nitidum, album 

 emittens; perist. breviter expansum, margine basal! subre- 

 flexo, immediate in columellam conlinuato. — Operc. ? 



Diam. maj. 8, min. 6V35 ^'^' ^'A w^'^'- 



Habitat in insula Haiti. (Salle.) 



83. Cyclostoma tentorium Pfr. 



T. umbilicata, conoidea, eolidiuscula, liris confertis 

 spiralibus, lineisque longitudinalibus asperato-reticulata, 

 sericina, pallide l'ulva, interdum rubio-punctata; spira co- 

 noidea, acutiuscula; sutura crenulata; anfr. 5 convexi, 

 ultiinus teres; umbilicus latus, conicus; apertura obliqua, 

 subangulato-circularis; perist. duplex, internum breviter 

 porrectum, externum campanulato-patens, margine subun- 

 dulato. — Operc. testaceum, arctispirum, margine anfrac- 

 tuum acuto, erecto. 



Diam. maj. 6 Vi, min. 5Va, alt. 4 mill. 

 Habitat in insula Haiti. (Salle.) 



Gehört zur Gruppe Choanopoma. 



34. Cyclostoma Tamsianum Pfr. 



T. subperforata, oblongo-turrita, vix truncatula (saepe 

 integra), tenuiuscula, longitudinaliter et confertim plicatula, 

 parum nitida, coerulescenti-fusca , lineis castaneis inter- 

 ruptis vel seriebus punctorum ornata; sutura minutissime 

 et confertissime denticulata; anfr. 7 convexi, ultimus an- 

 tice vix solutus; apertura axi subparallela, subangulato- 

 rotuüdata; perist. siinpleX) cootinuum, undique breviter 



